159 is an odd 3-digits composite number following 158
and preceding 160 . In scientific notation, it is written as 1.59 × 10^2.
The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors.
There are 104 positive integers (up to 159) that are relatively prime to 159.
159 has 4 divisors, whose sum is 216
The reverse of 159 is 951
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 3
Sum of Digits 15
Digital Root 6
Name
one hundred fifty-nine
Scientific notation
1.59 × 10^2
Engineering notation
1.59 × 10^0
Prime Factorization
3 × 53
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
159
Product of the distinct prime numbers
The prime factorization of 159 is 3 × 53.
Since it has a total of 2 prime factors.
4 , 1 , 79 , 67 , 45 , 111 , 9051 , 4324 , 18494 , 93296 , 711170 , 930798 , 31717 , 8030669 , 32766635 , 65708143 , 927870008 , 935643324 , 880810210 , 6586758502
n×2
318
n×3
477
n×4
636
n×5
795
n÷2
79.5
n÷3
53
n÷3
39.75
n÷5
31.8
n2
25281
n3
4019679
n4
639128961
n5
101621504799
2 √n
12.609520212918
3 √n
5.4175015149772
4 √n
3.5509886247239
5 √n
2.7560013429788
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-158
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
1
Returns the nth root of the product of n divisors
H
Harmonic Mean
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 159 can be divided by 4 positive divisors.
The sum of these divisors (counting 159) is 1, the average is 0.25.
Base
System
Value
2
Binary
10011111
3
Ternary
12220
4
Quaternary
2133
5
Quinary
1114
6
Senary
423
8
Octal
237
10
Decimal
159
12
Duodecimal
113
16
Hexadecimal
9f
20
Vigesimal
7j
36
Base36
4f
md5
140f6969d5213fd0ece03148e62e461e
sha1
6b6277afcb65d33525545904e95c2fa240632660
sha256
ff2ccb6ba423d356bd549ed4bfb76e96976a0dcde05a09996a1cdb9f83422ec4
sha512
364ab93bac5c26bcc08811259b1b2832e0e0d38a0ebd46bd034d896ed26e1626ee2d5d434acf25f4e2553fa1e04c2fdf8f0b488930cfbed4d46eb6d273fc44ec
ripemd-160
95dad54fc01ebbacca956f897baf3b68548b33cb
Diameter
318
Circumference
999.02646384155
Area
79422.603875404
Volume
16837592.021586
Surface area
317690.41550161
Circumference
999.02646384155
Perimeter
636
Area
25281
Diagonal
224.85995641732
Surface area
151686
Volume
4019679
Space diagonal
275.39607840345
Perimeter
477
Area
10946.994116537
Altitude
137.69803920173
Surface area
10946.994116537
Volume
473723.71318219
Height
74.953318805774